These days it's not easy to find spare space for new eco-neighborhoods, so <a href="http://www.evgeni-leonov.com">Evgeni Leonov Architects</a> designed a series of narrow egg-shaped homes that extend from the historic Trent Villa in Nottingham. Considered to be one of the most energy-efficient forms found in nature, the egg shape served as the main inspiration for the urban regeneration project, which is designed to meet <a href="http://en.wikipedia.org/wiki/Passive_house">Passive House requirements</a>.

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Isover Multi-Comfort House by Evgeni Leonov Architects

This series of egg-shaped homes are exceptionally energy-efficient

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Isover Multi-Comfort House by Evgeni Leonov Architects

An urban regeneration project in Nottingham, the Isover Multi-Comfort home aims to uplift a community scarred by industrialization

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Isover Multi-Comfort House by Evgeni Leonov Architects

The block is organized around a green communal core

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Isover Multi-Comfort House by Evgeni Leonov Architects

Cars are not permitted inside the block. Instead they are parked in an underground lot.

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Isover Multi-Comfort House by Evgeni Leonov Architects

The complex is designed to meet Passive House requirements

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Isover Multi-Comfort House by Evgeni Leonov Architects

The egg-shape is considered among the most efficient forms in nature

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Isover Multi-Comfort House by Evgeni Leonov Architects

This diagrams offers insight into the project's conceptual layout

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Isover Multi-Comfort House by Evgeni Leonov Architects

This is definitely one of the most exciting urban regeneration proposals we've seen in a long while

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Isover Multi-Comfort House by Evgeni Leonov Architects

These days it's not easy to find spare space for new eco-neighborhoods, so Evgeni Leonov Architects designed a series of narrow egg-shaped homes that extend from the historic Trent Villa in Nottingham. Considered to be one of the most energy-efficient forms found in nature, the egg shape served as the main inspiration for the urban regeneration project, which is designed to meet Passive House requirements.